<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>CSS Style Rule</title>
</head>
<body>
    <div style="color: green;">
        This text is green.
        <p style="color: blue;">This text is blue.</p>
        <p>This text is still green.</p>
    </div>
</body>
</html>